0 0 0 2 7 1 4 0 0
9 0 0 5 0 0 0 0 0
4 0 5 0 9 0 0 6 0
0 0 0 9 0 3 2 1 0
6 0 0 0 5 0 0 0 4
0 4 2 8 0 6 0 0 0
0 6 0 0 2 0 9 0 8
0 0 0 0 0 5 0 0 7
0 0 8 1 3 9 0 0 0